/* ==========================================================================
   Bach Kiem Photography (Albion) - B2B Commercial Photography Landing Page
   Modern, Clean, Image-Forward Aesthetic
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --bg-main: #FAFAF8;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F3F3EF;
  --bg-dark: #111213;
  --bg-dark-surface: #1B1C1E;
  
  --text-primary: #17181A;
  --text-secondary: #525357;
  --text-muted: #88898D;
  --text-inverse: #F5F5F7;
  --text-inverse-muted: #A1A2A6;

  /* Single Accent Color (Warm Terracotta / Bronze Luxury) */
  --accent: #C25E34;
  --accent-hover: #A84D27;
  --accent-soft: rgba(194, 94, 52, 0.08);
  --accent-border: rgba(194, 94, 52, 0.25);
  --accent-glow: rgba(194, 94, 52, 0.35);

  /* Borders & Dividers */
  --border-light: #E7E7E1;
  --border-subtle: #EFEFEA;
  --border-dark: #2A2B2E;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.09), 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.16);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  /* Layout & Spacing */
  --max-width: 1280px;
  --max-width-narrow: 900px;
  --header-height: 80px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   3. Container & Utility Classes
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

.section-padding {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-eyebrow::before,
.section-eyebrow::after {
  content: '';
  display: inline-block;
  width: 18px;
  height: 1px;
  background-color: var(--accent);
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(1.75rem, 2.75vw, 2.35rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-wrap: balance;
  word-break: normal;
  overflow-wrap: break-word;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
  color: #FFFFFF;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.92);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
  background-color: #FFFFFF;
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  background-color: var(--text-primary);
  color: #FFFFFF;
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1.125rem 2.25rem;
  font-size: 1.0625rem;
}

/* --------------------------------------------------------------------------
   5. Section 1: Sticky Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
  background-color: rgba(250, 250, 248, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(231, 231, 225, 0.6);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--border-light);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo img {
  height: 42px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-logo:hover img {
  transform: scale(1.02);
}

/* Compact Left-side Language Switcher */
.header-lang-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  padding: 3px 4px 3px 8px;
  color: var(--text-muted);
}

.header-lang-wrapper .globe-icon {
  color: var(--text-muted);
  flex-shrink: 0;
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.lang-btn {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--transition-fast);
  line-height: 1;
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  background-color: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 1px 6px var(--accent-glow);
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.15rem;
  flex: 1;
}

.nav-link {
  font-size: 0.84375rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.35rem 0;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  color: var(--text-primary);
}

/* Mobile Nav Drawer (Clean breakpoint at 1080px) */
@media (max-width: 1080px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-slow), opacity var(--transition-base);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    font-size: 1.0625rem;
    width: 100%;
  }

  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-cta .btn {
    display: none;
  }

  .nav-menu .mobile-nav-cta {
    display: block;
    width: 100%;
    margin-top: 1rem;
  }
}

@media (min-width: 1081px) {
  .mobile-nav-cta {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   6. Section 2: Hero Section (Brighter Image & Clean Contrast)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 5.5rem;
  overflow: hidden;
  background-color: var(--bg-dark);
}

.hero-bg-wrapper {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
  filter: brightness(0.86) contrast(1.03);
  transition: transform 6s ease-out;
}

.hero-section:hover .hero-bg-image {
  transform: scale(1.0);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 12, 14, 0.74) 0%,
    rgba(12, 14, 16, 0.44) 55%,
    rgba(10, 12, 14, 0.68) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
  color: #FFFFFF;
}

.hero-headline {
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.45);
}

.hero-subheadline {
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 1.75rem;
  backdrop-filter: blur(8px);
}

.hero-pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.hero-headline {
  font-family: var(--font-sans);
  font-size: clamp(2.35rem, 5vw, 3.85rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
}

.hero-subheadline {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.5rem;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.125rem;
  margin-bottom: 3.5rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  max-width: 640px;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.metric-value span {
  color: var(--accent);
}

.metric-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

@media (max-width: 640px) {
  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   7. Section 3: Trust Bar
   -------------------------------------------------------------------------- */
.trust-section {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  padding: 3.25rem 0;
}

.trust-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.trust-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-align: center;
}

.trust-logos-grid {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem 3.5rem;
}

.trust-logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0.25rem 0.5rem;
  transition: transform var(--transition-base);
}

.trust-logo-img {
  max-height: 42px;
  max-width: 140px;
  width: auto;
  object-fit: contain;
  /* Original brand colors without grayscale */
  filter: none;
  opacity: 0.95;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.trust-logo-card:hover .trust-logo-img {
  opacity: 1;
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .trust-logos-grid {
    gap: 1.75rem 2rem;
  }
  .trust-logo-img {
    max-height: 32px;
    max-width: 110px;
  }
}

/* --------------------------------------------------------------------------
   8. Section 4: Why Us (4-Column Grid)
   -------------------------------------------------------------------------- */
.why-us-section {
  background-color: var(--bg-main);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.why-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(194, 94, 52, 0.2);
}

.why-card:hover::before {
  opacity: 1;
}

.why-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
}

.why-card:hover .why-icon-box {
  background-color: var(--accent);
  color: #FFFFFF;
}

.why-card-title {
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.why-card-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   9. Section 5: Portfolio Grid & Lightbox Trigger
   -------------------------------------------------------------------------- */
.portfolio-section {
  background-color: var(--bg-surface);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.portfolio-item {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--bg-subtle);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.portfolio-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-image {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(17, 18, 20, 0.88) 0%,
    rgba(17, 18, 20, 0.35) 50%,
    rgba(17, 18, 20, 0) 100%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: #FFFFFF;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.portfolio-title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

.portfolio-zoom-icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transform: translateY(-8px);
  opacity: 0;
  transition: all var(--transition-base);
}

.portfolio-item:hover .portfolio-zoom-icon {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   10. Lightbox Modal
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background-color: rgba(10, 11, 13, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  padding: 1.5rem;
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: 960px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img-wrapper {
  position: relative;
  max-height: 75vh;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.lightbox-img {
  max-height: 75vh;
  max-width: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox-info {
  margin-top: 1.25rem;
  text-align: center;
  color: #FFFFFF;
}

.lightbox-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.lightbox-counter {
  font-size: 0.8125rem;
  color: var(--text-inverse-muted);
  margin-top: 0.25rem;
}

.lightbox-btn {
  position: absolute;
  background-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
}

.lightbox-btn:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  transform: scale(1.08);
}

.lightbox-close {
  top: 1.5rem;
  right: 1.5rem;
}

.lightbox-prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

@media (max-width: 768px) {
  .lightbox-prev {
    left: 0.5rem;
    width: 40px;
    height: 40px;
  }
  .lightbox-next {
    right: 0.5rem;
    width: 40px;
    height: 40px;
  }
  .lightbox-close {
    top: 1rem;
    right: 1rem;
  }
}

/* --------------------------------------------------------------------------
   11. Section 6: Process (3 Numbered Steps)
   -------------------------------------------------------------------------- */
.process-section {
  background-color: var(--bg-main);
  position: relative;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

.process-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(194, 94, 52, 0.3);
}

.process-step-num {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  margin-bottom: 1.25rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.process-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.625rem;
  background-color: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--radius-full);
}

.process-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.process-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 860px) {
  .process-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   12. Section 7: FAQ Accordion (5 Questions)
   -------------------------------------------------------------------------- */
.faq-section {
  background-color: var(--bg-surface);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: var(--bg-main);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item.active {
  border-color: var(--accent-border);
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-sm);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  padding: 1.5rem 1.75rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  gap: 1rem;
  transition: color var(--transition-fast);
}

.faq-trigger:hover {
  color: var(--accent);
}

.faq-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background-color: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: transform var(--transition-base), background-color var(--transition-base), color var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background-color: var(--accent);
  color: #FFFFFF;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
  padding: 0 1.75rem;
}

.faq-item.active .faq-content {
  padding-bottom: 1.5rem;
}

.faq-content-inner {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
}

/* --------------------------------------------------------------------------
   13. Section 8: Footer CTA Banner
   -------------------------------------------------------------------------- */
.footer-cta-section {
  background-color: var(--bg-dark);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.footer-cta-card {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
  padding: 4rem 2rem;
  background: radial-gradient(circle at center, rgba(35, 37, 41, 0.9) 0%, rgba(17, 18, 20, 0.95) 100%);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.footer-cta-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.footer-cta-desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 2.25rem;
  line-height: 1.6;
}

.footer-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   14. Section 9: Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #0c0d0e;
  color: var(--text-inverse);
  padding-top: 5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid var(--border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  align-self: flex-start;
}

.footer-bio {
  font-size: 0.875rem;
  color: var(--text-inverse-muted);
  line-height: 1.6;
  max-width: 320px;
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-inverse-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #FFFFFF;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-inverse-muted);
}

.footer-contact-item svg {
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 0.2rem;
}

.footer-contact-item a:hover {
  color: #FFFFFF;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-top: 1rem;
}

.social-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--bg-dark-surface);
  border: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse-muted);
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  background-color: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-dark);
  font-size: 0.8125rem;
  color: var(--text-inverse-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 960px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   15. Interactive Quote Modal
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2500;
  background-color: rgba(14, 15, 17, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  padding: 1.25rem;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background-color: var(--bg-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 2.5rem;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
}

.modal-backdrop.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--accent);
  color: #FFFFFF;
}

.modal-header {
  margin-bottom: 1.75rem;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.modal-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.quote-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background-color: var(--bg-main);
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background-color: #FFFFFF;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .modal-container {
    padding: 1.75rem 1.25rem;
  }
}

.form-success-state {
  display: none;
  text-align: center;
  padding: 2rem 1rem;
}

.form-success-state.active {
  display: block;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem auto;
}

/* --------------------------------------------------------------------------
   16. Directions Link & Address Styling
   -------------------------------------------------------------------------- */
.directions-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 0.35rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.directions-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   17. Section: Book a Studio Visit Callout
   -------------------------------------------------------------------------- */
.studio-visit-section {
  background-color: var(--bg-surface);
  position: relative;
}

.visit-banner-card {
  background: linear-gradient(135deg, #17181A 0%, #202226 100%);
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  color: #FFFFFF;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 3rem;
  align-items: center;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-dark);
}

.visit-content {
  display: flex;
  flex-direction: column;
}

.visit-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.visit-eyebrow::before,
.visit-eyebrow::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 1px;
  background-color: var(--accent);
}

.visit-title {
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 3.2vw, 2.45rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.visit-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.visit-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.visit-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.125rem;
  border-radius: var(--radius-sm);
}

.visit-feature-icon {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 50%;
  background-color: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

.visit-feature-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.25rem;
}

.visit-feature-desc {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.45;
}

.visit-card-aside {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.visit-studio-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.875rem;
  background-color: var(--accent);
  color: #FFFFFF;
  border-radius: var(--radius-full);
}

.visit-aside-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}

.visit-aside-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.55;
}

@media (max-width: 960px) {
  .visit-banner-card {
    grid-template-columns: 1fr;
    padding: 2.5rem 1.75rem;
    gap: 2rem;
  }
  .visit-features {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   18. Vietnamese Language Typography Balancing
   -------------------------------------------------------------------------- */
html[lang="vi"] .section-title {
  font-size: clamp(1.65rem, 2.6vw, 2.2rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
}

html[lang="vi"] .hero-headline {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.2;
}

html[lang="vi"] .visit-title {
  font-size: clamp(1.65rem, 2.8vw, 2.2rem);
  line-height: 1.25;
}

html[lang="vi"] .why-card-title {
  font-size: 1.125rem;
  line-height: 1.35;
}

html[lang="vi"] .footer-cta-title {
  font-size: clamp(1.75rem, 3vw, 2.45rem);
  line-height: 1.25;
}